Home / 937,909.20-1,294,901.64-722,640.72

Finding the Fourth Proportional to 937,909.20, 1,294,901.64 and 722,640.72

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Solution

The fourth proportional to 937,909.20, 1,294,901.64 and 722,640.72 is: 997,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,909.20 : 1,294,901.64 = 722,640.72 : x
  2. Step 2: Convert to fraction form
    937,909.20/1,294,901.64 = 722,640.72/x
  3. Step 3: Cross multiply
    937,909.20x = 1,294,901.64 × 722,640.72
  4. Step 4: Simplify right side
    937,909.20x = 935,748,653,458.78
  5. Step 5: Solve for x
    x = 935,748,653,458.78/937,909.20
  6. Step 6: Final answer
    x = 997,696.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.